№ 20 (26.03.2021)

The journal contains the following thematic sections (headings) that correspond to the Nomenclature of scientific specialties, approved by the Order of the Ministry of Education and Science of Russia No. 59, dated February 25, 2009 (as amended and supplemented):

The journal reviews and accepts articles on the specific topics:

Articles:

Cover, editorial advice, content

Fire and industrial safety (05.26.03)

On the issue of ensuring the safety of buildings on permafrost soils

Amelchugov S.P.1,2, Holder of an Advanced Doctorate (Doctor of Science) in Engineering Sciences; Shubkin R.G.2, Ph.D. of Engineering Sciences; Amelchugova S.V.1, Ph.D. of Engineering Sciences; Elfimova M.V.2, Ph.D. of Engineering Sciences, Docent; Nikulin M.A.3
1Siberian Federal University
2FSBEE HE Siberian Fire and Rescue Academy EMERCOM of Russia
3State Agrarian University of the Northern Trans-Urals

The article discusses the existing problem of the stability of buildings on permafrost soils, gives examples of existing foundations on permafrost soils in Norilsk, considers the problem of bored piles of foundations, makes an assumption that in the junction of monolithic and precast reinforced concrete piles, soils change their mechanical properties.

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About the height of the flame torch when burning solid combustible substances and materials

Malchikov K.B.; Kozhevin D.F., Ph.D. of Engineering Sciences, Docent; Korobeynikova E.G., Ph.D. of Chemical Sciences, Docent
Saint Petersburg State University of the Ministry of Emergency Situations of Russia

The paper reflects the influence of various factors on the height of the flame of solid combustible substances and materials, as well as the need to develop a method for determining this geometric parameter. Existing combustion methods for determining the geometric parameters of fires objectively reflect only the combustion process of combustible gases and liquids, since the height of the flame of such fires depends on the characteristic size of the fire source and the rate of entry of the combustible component in the reaction zone of combustion, which remain relatively constant over a long time. Combustion process of solid substances and materials is more complex and multi-faceted, so that the specific mass burn-up rate, and, accordingly, the height of the flame of such substances are not constant and depend on many additional factors.

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Aspects of the practical application of algorithms and methods of arrival time of fire departments

Nazarov A.A.; Baturo A.N., Ph.D. of Engineering Sciences, Docent; Martinovich N.V.; Tatarkin I.N.
FSBEE HE Siberian Fire and Rescue Academy EMERCOM of Russia

The dependence of the consequences of fires on the time of arrival of the first fire Department is considered. The existing features of determining the location and arrival time of fire departments are considered. Approaches to optimizing algorithms for determining the arrival time of the first fire Department are proposed. The proposed approaches are based on categorization of exit areas and software based on map services. The positive and negative aspects of the methods are considered.

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Parameters of the advanced system of remote control of the gas situation in the elimination of fires in coal mines

Agarkov A.V.
NIIGD «Respirator»

An overview of the parameters of the improved system for remote control of the gas situation during the elimination of fires in coal mines, as well as its design features and methods of application by the units of the mine rescue service is presented. It is indicated that the improved system makes it possible to control the gas situation by remote sampling of fire gases along the height and cross-section of mine workings at a safe distance, as well as to reduce the accumulation of condensate in the sampling pipeline and dry the air sample for the purpose of reliable express analysis of its gas concentrations.

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Influence of the content of solid phase particles in foam on the foam-powder extinguishing compositions. thermal stability

Koksharov A.V., Ph. D. of of chemical Sciences, Docent; Gaynullina E.V., Ph. D. of technical Sciences, Docent; Kondratieva M.L., Ph. D. of of chemical Sciences
Ural Institute of State Fire Service of EMERCOM of Russia

The thermal stability of foam containing silicon oxide, aluminum oxide, and talc powders was studied in this paper. It was found that introducing the powder into the foam significantly decreases its destruction rate under temperature conditions. Increasing the foam stability contributes to the accumulation of liquid and powder on its surface, which are formed as a result of the upper foam layer destruction and shield heat flows.

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Optimization of the protective enamel coatings composition for main pipelines in order to prevent technogenic accidents Part 1. Investigation of the effect of the diffusion mobility of nickel cations in a model melt on the adhesion strength of ground enamel to steel

Dobrynina N.Yu.1, Ph.D. of Chemical Sciences; Vatolina N.D.2, Ph.D. of Chemical Sciences, Docent; Vatolin A. N.2, Holder of an Advanced Doctorate (Doctor of Science) in Chemical Sciences, Full Professor
1Ural Institute of State Fire Service of EMERCOM of Russia
2Ural Federal University

This article presents the results of studies of the nickel cations diffusion mobility in an equimolar potassium borosilicate melt, which is the basis of ground enamel for insulating main pipelines. It was found that in the region of nickel oxide solubility (up to 3.0 wt% NiO), the diffusion coefficients changed by 2-4 orders of magnitude depending on the study temperature, which is explained by polymerization-depolymerization reactions in borosilicate melt.

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Analysis of disadvantages of the procedure for calculation of fire risk in non-production buildings and development of recommendations for its improvement

Tryapitsyn A.B., Ph.D. of Engineering Sciences, Docent; Polunin G.A., Ph.D. of Engineering Sciences
South Ural State University

With the entry into force of 123-FZ in 2008, the final transition to the concept of acceptable risk in the field of fire safety took place in the Russian Federation. The legislation established first the levels of acceptable risk, and then the methods of its calculation. This article is devoted to the analysis of the shortcomings of this approach, identified by both the authors and the professional community.

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Analytical review of fires and accidents in transport related to the use of lithium-ion batteries

Ejeleva E.E.; Melnik A.A., Ph.D. of Engineering Sciences, Docent; Eliseev Yu.N., Ph.D. of Engineering Sciences
Saint-Petersburg State University of the Ministry of Emergency Situations of Russia

In recent years, the volume of production of new vehicles represented by electric vehicles has increased, and there is an explosive growth trend in the production of vehicles powered by lithium-ion batteries. Cases of fire, explosions and uncontrolled processes are accompanied by specific features and can lead to property damage and personal injury. These incidents are a reminder that the safe operation of lithium-ion batteries is a prerequisite, and serious problems must be resolved soon.

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Problems that arise when conducting a forensic examination by several experts in forensic institutions of the federal fire service of the EMERCOM of Russia

Zuev R.V.
FSBEE HE Siberian Fire and Rescue Academy EMERCOM of Russia

The article is the first in a series of articles by the author that reveal problems in the organization of work of forensic expert institutions (FEI) of the Federal fire service (FFS) of the Ministry of civil defense, emergencies and disaster management (EMERCOM of Russia). The articles are designed to reveal the accumulated problems, determine the causes of their occurrence and possible solutions. This article describes the difficulties that arise when performing a forensic examination by several fire-technical experts of the FEI FFS EMERCOM of Russia.

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Optimization of the protective enamel coatings composition for main pipelines in order to prevent technogenic accidents Part 2. Investigation of the effect of nickel oxide additives on the specific electrical conductivity of the model melt and the adhesion strength of ground enamel to steel

Dobrynina N.Yu.1, Ph.D. of Chemical Sciences; Vatolina N.D.2, Ph.D. of Chemical Sciences, Docent; Vatolin A.N.2, Holder of an Advanced Doctorate (Doctor of Science) in Chemical Sciences, Full Professor
1Ural Institute of State Fire Service of EMERCOM of Russia
2Ural Federal University

The article presents the results of a study of the specific electrical conductivity æ of an equimolar potassium borosilicate melt, which is the basis of a ground enamel for insulating main pipelines. It was found that in the solubility range of nickel oxide (up to 3.0 wt. % NiO) values of æ changed nonmonotonically with increasing NiO content.

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Emergency Security (05.26.02)

Definition of dynamic radiation control parameters in water area

Sergeev I.Yu.1, Ph.D. of Engineering Sciences; Valuev N.P.2, Holder of an Advanced Doctorate (Doctor of Science) in Engineering Sciences, Docent
1FSBEI HE Siberian Fire and Rescue Academy EMERCOM of Russia
2Civil Defence Academy of EMERCOM of Russia

Methods definition of dynamic radiation control parameters in surfaces of rivers and large water bodies is described. Methodsbased on application of highly sensitive dosimetric systems registering γ-radiation of water in the process of system movement along the water area. Methods allows detecting the exit of radionuclides from the zone of their location and runoff, to forecast and trace the paths of their movement in the surfaces of rivers, detecting radioactive source on the shore, in ports, ships in water area.

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Application of nonlinear dynamics methods for detecting radio signals with frequency-hopping spread spectrum used in communication channels of unmanned aerial vehicles

Gavrishev A.A.; Osipov D.L., Ph.D. of Engineering Sciences, Docent
FSAEI HPE NCFU

The analysis of known approaches for radio frequency detection of communication channels of unmanned aerial vehicles (UAVs) based on the use of radio signals with frequency-hopping spread spectrum (FHSS) is carried out. It is established that in most studies methods, based on energy indicators are mainly used to detect radio signals of this type. It is indicated [21-24] that energy indicators give underestimated indicators for detecting radio signals and, thus, complicate the task of detecting them. As an alternative solution to the problem of detecting radio signals, it is proposed to use well-known methods based on nonlinear dynamics, in particular, the Hurst exponent and BDS-statistics. It is shown that the means of radio-frequency detection of UAV control channels with FHSS, which will be based on the use of the Hurst exponent, will potentially not be able to detect them. It is shown that the means of radio-frequency detection of UAV control channels with FHSS, which will be based on the use of BDS-statistics, will potentially be able to detect them. The results obtained are of rather important practical significance, as they potentially allow, with appropriate adaptation, to perform more effective radio frequency detection of UAVs using radio signals with FHSS.

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Time series forecasting based on machine learning methods for ensuring natural and technosphere safety

Babenyshev S.V., Ph.D. of Physical and Mathematical Sciences; Malyutin O.S.; Materov E.N., Ph.D. of Physical and Mathematical Sciences
FSBEE HE Siberian Fire and Rescue Academy EMERCOM of Russia

The main purpose of the article is to give a review of some capabilities of time series analysis and modeling using examples of predicting the number of fires and the level of river flooding using modern machine learning methods in the R programming language environment. The peculiarity of this simulation is the possibility of using several models at the same time, which allows to automatically select models with the lowest bias errors.

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Methodology for assessing the efficiency of the implementation of the state policy of the subjects of the Russian Federation in the field of civil defense

Belousov V.N., Ph.D. of Agricultural Sciences; Pismensky N.V., Ph.D. of Engineering Sciences; Ryzhov A.A.
FSBEE HE “Academy of Civil Protection EMERCOM of Russia”

The article considers problematic issues related to the procedure for assessing the effectiveness of the implementation of the state policy of the constituent entities of the Russian Federation in the field of civil defense. The main problem, according to the authors, is the lack of scientifically grounded and normatively approved indicators that would characterize the effectiveness of the civil defense measures implemented by the subjects in the complex. As a way out of this situation, it is proposed to use a comprehensive indicator of the effectiveness of the implementation of the state policy of a constituent entity of the Russian Federation in the field of civil defense.

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VR technologies as a tool for practice-oriented education of children and adults on safety and emergency response

Mel’nik O.E.1, Ph.D. of Pedagogic Sciences; Shimov D.R.1; Artemenko E.V.2
1FSBEE HE Saint-Petersburg university of State fire service of EMERCOM of Russia
2FSBEE HE Siberian Fire and Rescue Academy EMERCOM of Russia

In the article, VR technologies are considered as a tool for organizing practice-oriented teaching of children and adults to the basics of life safety and actions in emergency situations. An overview of foreign practice of using VR in safety pedagogy and in the implementation of the Digital Rescuer project in Russian schools is presented. The advantages of VR technologies in comparison with the traditional approach in organizing practical training of the population on safety measures are characterized. A conclusion is made about the prospects of using VR technologies in the practical preventive activities of the Ministry of Emergency Situations of Russia and the educational process on the basics of life safety.

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Informatics, Computer Science and Management

Development of methods for assessing the state of the safety and health management systems in the FPS GPS

Streltsov O.V.; Shavyrina T.A., Ph.D. of Engineering Sciences; Bobrinev E.V., Ph.D. of Biological Sciences, Senior Research Officer; Kondashov A.A., Ph.D. of Physico-mathematical Sciences; Udavtsova E.Yu., Ph.D. of Engineering Sciences
FGBU VNIIPO EMERCOM of Russia

The main directions of monitoring the state of Safety and Health Management Systems are analyzed in the FPS GPS. A mathematical model is proposed for calculating a complex indicator for assessing the state of the occupational health and safety management system in in the FPS GPS, which allows ranking divisions depending on the value of this indicator during the year. The results of the assessment allow us to identify areas that require priority attention of management, to form a list of measures to improve the effectiveness of the occupational health and safety management system in the FPS GPS.

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Pedagogical sciences